AllanDeviationCalculator
Calculate Frequency DataAllanDeviation(ADEV)，Evaluate Frequency Stability of Oscillators and Atomic Clocks
Data Input
Format：One frequency offset value per line per time interval（ 1.23e-9）
CalculateParameters
Technical Notes
σ_y(τ) = 1/τ × √[1/(2(N-1)) × Σ(y_i - y_{i+1})²]
AllanDeviationYesFrequency SourceClassic method for stability，David AllanProposed。It can distinguish different noise processes（White Noise、Flicker Noise、Random Walk etc.），WidelyAtomic Clock、Oscillator and GNSSTelecommunications。
τ: Averaging Time | N: Number of Data Points | y_i: Shift